A flaw has been found in Helicone ai-gateway up to 0.2.0-beta.30. This affects the function build_target_url of the file ai-gateway/src/dispatcher/service.rs of the component AWS Metadata Service. Executing a manipulation of the argument extracted_path_and_query can lead to server-side request forgery. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVE-2026-15508
MEDIUMPre-NVD 6.36.3Trending — 3 sources updated this week
EchelonGraph scoreLOW confidence
This medium-severity CVE scores 6.3 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: cna:vuldb
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: —CVSS: 6.3Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.3
- EG Score
- 6.3(low)
- EPSS
- —
- KEV
- Not listed
Published
July 12, 2026
Last Modified
July 12, 2026
Advisory Details (1)
Auto-updated Jul 13, 2026No patch confirmed yet.
generic
Helicone ai-gateway - SSRF via Provider Base URL Manipulation · Issue #1 · oscar2744/CVE-Submit · GitHub
https://github.com/oscar2744/CVE-Submit/issues/1Vendor Advisories for CVE-2026-15508(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 3× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 00:07 UTCNVD updateCVSS v4 → 2.1
- 2026-07-12 22:33 UTCEG score recompute
- 2026-07-12 22:32 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-918
Frequently asked(4)
What is CVE-2026-15508?
CVE-2026-15508 is a medium vulnerability published on July 12, 2026. A flaw has been found in Helicone ai-gateway up to 0.2.0-beta.30. This affects the function buildtargeturl of the file ai-gateway/src/dispatcher/service.rs of the component AWS Metadata Service. Executing a manipulation of the argument extractedpathand_query can lead to server-side request forgery.…
When was CVE-2026-15508 disclosed?
CVE-2026-15508 was first published in the National Vulnerability Database on July 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-15508?
CVE-2026-15508 has a CVSS v3 base score of 6.3 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-15508?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15508, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-15508
Is Your Infrastructure Affected by CVE-2026-15508?
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